gdb/testsuite/gdb.reverse/watch-precsave.exp

   1 # Copyright 2009, 2010 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # Based on a file written by Fred Fish. (fnf@cygnus.com)
  17 # This file is part of the GDB testsuite.  It tests precord dumpfile
  18 # debugging with watchpoints.
  19
  20 # This test suitable only for process record-replay
  21 if ![target_info exists gdb,use_precord] {
  22     return
  23 }
  24
  25 set testfile "watch-reverse"
  26 set srcfile ${testfile}.c
  27 set binfile ${objdir}/${subdir}/${testfile}
  28
  29 if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
  30     return -1
  31 }
  32
  33 runto main
  34
  35 if [target_info exists gdb,use_precord] {
  36     # Activate process record/replay
  37     gdb_test_no_output "record" "Turn on process record"
  38 }
  39
  40 set end_location  [gdb_get_line_number "end of main"  ]
  41 gdb_test "break $end_location" \
  42     "Breakpoint $decimal at .*/$srcfile, line $end_location\." \
  43     "BP at end of main"
  44
  45 gdb_test "continue" "Breakpoint .* end of main .*" "run to end of main"
  46
  47 gdb_test "record save watch.precsave" \
  48     "Saved core file watch.precsave with execution log\."  \
  49     "save process recfile"
  50
  51 gdb_test "kill" "" "Kill process, prepare to debug log file" \
  52     "Kill the program being debugged\\? \\(y or n\\) " "y"
  53
  54 gdb_test "record restore watch.precsave" \
  55     "Program terminated with signal .*" \
  56     "reload core file"
  57
  58 # Only software watchpoints can be used in reverse
  59 gdb_test "set can-use-hw-watchpoints 0" "" ""
  60
  61 gdb_test "break marker1" \
  62     "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
  63     "set breakpoint at marker1"
  64
  65 gdb_test "break marker2" \
  66     "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
  67     "set breakpoint at marker2"
  68
  69 gdb_continue_to_breakpoint "marker1" ".*/$srcfile:.*"
  70
  71 gdb_test "watch ival3" \
  72     ".*\[Ww\]atchpoint $decimal: ival3.*" \
  73     "set watchpoint on ival3"
  74
  75 # Continue until first change, from -1 to 0
  76
  77 gdb_test "continue" \
  78     ".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \
  79     "watchpoint hit, first time"
  80
  81 # Continue until the next change, from 0 to 1.
  82 gdb_test "continue" \
  83     ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \
  84     "watchpoint hit, second time"
  85
  86 # Continue until the next change, from 1 to 2.
  87 gdb_test "continue" \
  88     ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \
  89     "watchpoint hit, third time"
  90
  91 # Continue until the next change, from 2 to 3.
  92 gdb_test "continue" \
  93     ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \
  94     "watchpoint hit, fourth time"
  95
  96 # Continue until the next change, from 3 to 4.
  97 # Note that this one is outside the loop.
  98
  99 gdb_test "continue" \
 100     ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \
 101     "watchpoint hit, fifth time"
 102
 103 # Continue until we hit the finishing marker function.
 104 # Make sure we hit no more watchpoints.
 105
 106 gdb_continue_to_breakpoint "marker2" ".*/$srcfile:.*"
 107
 108 ###
 109 ###
 110 ###
 111
 112 gdb_test_no_output "set exec-direction reverse" "set reverse"
 113
 114 # Reverse until the previous change, from 4 to 3
 115 # Note that this one is outside the loop
 116
 117 gdb_test "continue" \
 118     ".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \
 119     "watchpoint hit in reverse, first time"
 120
 121 # Reverse until the previous change, from 3 to 2.
 122 gdb_test "continue" \
 123     ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \
 124     "watchpoint hit in reverse, second time"
 125
 126 # Reverse until the previous change, from 2 to 1.
 127 gdb_test "continue" \
 128     ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \
 129     "watchpoint hit in reverse, third time"
 130
 131 # Reverse until the previous change, from 1 to 0.
 132 gdb_test "continue" \
 133     ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \
 134     "watchpoint hit in reverse, fourth time"
 135
 136 # Reverse until first change, from 0 to -1
 137
 138 gdb_test "continue" \
 139     ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \
 140     "watchpoint hit in reverse, fifth time"
 141
 142 gdb_test_no_output "set can-use-hw-watchpoints 1" "enable hw watchpoints"
 143
 144 ###
 145 ###
 146 ###
 147
 148 gdb_test_no_output "set exec-direction forward" "set forward"
 149
 150 # Continue until first change, from -1 to 0
 151
 152 gdb_test "continue" \
 153     ".*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*" \
 154     "watchpoint hit, forward replay, first time"
 155
 156 # Continue until the next change, from 0 to 1.
 157 gdb_test "continue" \
 158     ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" \
 159     "watchpoint hit, forward replay, second time"
 160
 161 # Continue until the next change, from 1 to 2.
 162 gdb_test "continue" \
 163     ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" \
 164     "watchpoint hit, forward replay, third time"
 165
 166 # Continue until the next change, from 2 to 3.
 167 gdb_test "continue" \
 168     ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" \
 169     "watchpoint hit, forward replay, fourth time"
 170
 171 # Continue until the next change, from 3 to 4.
 172 # Note that this one is outside the loop.
 173
 174 gdb_test "continue" \
 175     ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" \
 176     "watchpoint hit, forward replay, fifth time"
 177
 178 # Continue until we hit the finishing marker function.
 179 # Make sure we hit no more watchpoints.
 180
 181 gdb_test "continue" "marker2 .*" "replay forward to marker2"
 182
 183 ###
 184 ###
 185 ###
 186
 187 gdb_test_no_output "set exec-direction reverse" "set reverse"
 188
 189 # Reverse until the previous change, from 4 to 3
 190 # Note that this one is outside the loop
 191
 192 gdb_test "continue" \
 193     ".*\[Ww\]atchpoint.*ival3.*Old value = 4.*New value = 3.*ival3 = count; ival4 = count;.*" \
 194     "watchpoint hit in reverse, HW, first time"
 195
 196 # Reverse until the previous change, from 3 to 2.
 197 gdb_test "continue" \
 198     ".*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 2.*ival3 = count; ival4 = count;.*" \
 199     "watchpoint hit in reverse, HW, second time"
 200
 201 # Reverse until the previous change, from 2 to 1.
 202 gdb_test "continue" \
 203     ".*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 1.*ival3 = count; ival4 = count;.*" \
 204     "watchpoint hit in reverse, HW, third time"
 205
 206 # Reverse until the previous change, from 1 to 0.
 207 gdb_test "continue" \
 208     ".*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 0.*ival3 = count; ival4 = count;.*" \
 209     "watchpoint hit in reverse, HW, fourth time"
 210
 211 # Reverse until first change, from 0 to -1
 212
 213 gdb_test "continue" \
 214     ".*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = -1.*ival3 = count; ival4 = count;.*" \
 215     "watchpoint hit in reverse, HW, fifth time"
 216